| 12:37 MST |  Overcast Light Snow | -8°C / 18°F | -12°C / 10°F | 73% | 1017 mb (30.03 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGGW 051937Z AUTO 35009KT 2 1/2SM -SN SCT040 BKN050 OVC055 M08/M12 A3003 RMK AO2 P0000 TSNO |
| 12:12 MST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1017 mb (30.03 in) | NNE 15 kph (NNE 9.2 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KGGW 051912Z AUTO 02008KT 1 1/2SM -SN BKN036 OVC048 M09/M12 A3002 RMK AO2 P0000 TSNO |
| 11:53 MST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1016 mb (30 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGGW 051853Z AUTO 01009KT 2SM -SN BKN032 BKN040 OVC050 M09/M12 A3001 RMK AO2 SNB29 SLP207 P0000 T10891122 TSNO |
| 11:37 MST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1016 mb (30 in) | N 20 kph (N 12.7 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGGW 051837Z AUTO 01011KT 1 3/4SM -SN FEW013 BKN037 OVC050 M09/M12 A3001 RMK AO2 SNB29 P0000 TSNO |
| 11:20 MST |  Overcast | -9°C / 16°F | -13°C / 9°F | 73% | 1016 mb (30 in) | NNE 20 kph (NNE 12.7 mph) | - | 10SM |
| | KGGW 051820Z AUTO 02011KT 10SM SCT013 BKN040 OVC055 M09/M13 A3000 RMK AO2 TSNO |
| 10:53 MST |  Overcast | -9°C / 16°F | -13°C / 9°F | 73% | 1016 mb (30 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KGGW 051753Z AUTO 34010KT 10SM BKN015 BKN028 OVC060 M09/M13 A2999 RMK AO2 SLP199 60000 T10941133 11089 21128 51030 TSNO |
| 09:53 MST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1015 mb (29.97 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KGGW 051653Z AUTO 35015KT 10SM FEW055 OVC080 M10/M13 A2996 RMK AO2 SLP190 T11001133 TSNO |
| 08:53 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1014 mb (29.94 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KGGW 051553Z AUTO 34011KT 10SM OVC090 M12/M14 A2993 RMK AO2 SLP180 T11171144 TSNO |
| 07:53 MST |  Partly Cloudy | -13°C / 9°F | -15°C / 5°F | 85% | 1012 mb (29.88 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KGGW 051453Z AUTO 32010KT 10SM SCT100 M13/M15 A2989 RMK AO2 SLP168 60000 T11281150 53022 TSNO |
| 06:53 MST |  Partly Cloudy | -11°C / 12°F | -13°C / 9°F | 85% | 1012 mb (29.88 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KGGW 051353Z AUTO 35011KT 10SM SCT020 M11/M13 A2987 RMK AO2 SLP160 T11061133 TSNO |
| 06:19 MST |  Overcast | -10°C / 14°F | -12°C / 10°F | 85% | 1011 mb (29.85 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KGGW 051319Z AUTO 33011KT 10SM OVC016 M10/M12 A2986 RMK AO2 TSNO |
| 05:53 MST |  Overcast | -10°C / 14°F | -12°C / 10°F | 85% | 1010 mb (29.83 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGGW 051253Z AUTO 32009KT 10SM OVC014 M10/M12 A2984 RMK AO2 SNB1154E15 SLP149 P0000 T11001122 TSNO |
| 04:53 MST |  Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1010 mb (29.83 in) | NW 20 kph (NW 12.7 mph) | - | 9SM |
| | KGGW 051153Z AUTO 32011KT 9SM OVC014 M09/M11 A2982 RMK AO2 SLP141 60000 T10891111 11083 21094 53015 TSNO |
| 04:09 MST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1009 mb (29.8 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGGW 051109Z AUTO 30009KT 10SM BKN014 BKN022 OVC046 M08/M10 A2981 RMK AO2 TSNO |
| 04:02 MST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1009 mb (29.8 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KGGW 051102Z AUTO 30008KT 10SM SCT014 BKN022 OVC046 M08/M10 A2981 RMK AO2 TSNO |
| 03:53 MST |  Overcast | -8°C / 18°F | -9°C / 16°F | 93% | 1009 mb (29.8 in) | NW 13 kph (NW 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGGW 051053Z AUTO 30007KT 10SM FEW016 BKN047 OVC075 M08/M09 A2981 RMK AO2 SNE33 SLP134 P0000 T10831094 TSNO |
| 02:53 MST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1008 mb (29.77 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KGGW 050953Z AUTO 00000KT 4SM -SN BR FEW020 SCT037 OVC065 M09/M11 A2978 RMK AO2 SNB26 SLP127 P0000 T10891106 TSNO |
| 01:53 MST |  Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1008 mb (29.77 in) | NW 6 kph (NW 3.5 mph) | 0.00 mm (0.00 in) | 7SM |
| | KGGW 050853Z AUTO 30003KT 7SM FEW017 OVC075 M09/M11 A2978 RMK AO2 SNE28 SLP124 P0000 60000 T10891111 53010 TSNO |
| 00:53 MST |  Overcast Light Snow | -8°C / 18°F | -12°C / 10°F | 73% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 6SM |
| | KGGW 050753Z AUTO 00000KT 6SM -SN FEW037 SCT060 OVC080 M08/M12 A2975 RMK AO2 SNB32 SLP117 P0000 T10831117 TSNO |